Verb
chase off (third-person singular simple present chases off, present participle chasing off, simple past and past participle chased off)
(transitive, idiomatic) To drive someone or something away.
The bears were interested in the campers' food, but they chased them off.
In role of a guard dog, if an Azawakh senses danger it will bark to alert the other members of the pack, and they will gather together as a pack under the lead of the alpha dog, then chase off or attack the predator. Source: Internet
However, if Randall’s claim that hosts sometimes chase off possible dangers to the cleaner is correct, an experiment might be constructed in which reciprocity could be demonstrated. Source: Internet